Union™ Non-Metallic Boxes & Covers - Thomas & Betts - (Version JPG) - Page n° 32 - PDF Catalogue | Technical Documentation

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Steel City

Union® PVC

Now Includes V-Style Clamps!

4" Outlet Boxes — Bar Hanger for New Work


CAT.	SIZE		MOUNTING	DEPTH	RESIDENTIAL	MFRD.	STD.
NO.	CU.IN.	FEATURE	MEANS	(IN.)	NEW OLD	HOUSING	CTN.
N-423-C-94-V	22.5	Molded fast clamps	16" bar hanger 1214" min.-19" max.	2A	✓	—	50
N-423-GC-94-V	22.5	Molded fast clamps	16" bar hanger		✓	—	50
		ground strap Installed	2/4" min.-19" max.
N-423-C-95-V	22.5	Molded fast clamps	24" bar hanger 16VS" min.-27" max.		✓	—	50
N-423-GC-95-V	22.5	Molded fast clamps ground strap Installed	24" bar hanger 16^" min.-27" max.		✓	—	50

N-423-C-95-V

N-423-GC-94-V

Suitable for fixture support (50 lbs.).

90°C heat-rated material

Classified for two-hour firewall/fireceiling

N-423-C-94-V

N-423-GC-95-V

Accessory Clamps and Ground Strap


CAT. NO.	DESCRIPTION	STD. CTN.
36	Metal stamped clamp and	50
screw unassembled
36-PFC	Non-metallic clamp	50
NCC1-50	Non-metallic cable lock clamp for	500 (10
	Strain relief of non-metallic cable	bags of 50)
40UB	Ground strap for phenolic boxes	50

36-PFC

NCC1-50

NEC Box Requirements* — Cubic Inches for 1-40 Conductors


WIRE SIZE AWG	1	2	3	4	5	6	CUBIC INCH CAPACITY BY NUMBER OF CONDUCTORS 7 8 9 10 11 12 13							14	15	16	17	18	19	20
	1.50	3.00	4.50	6.00	7.50	9.00	10.50	12.00	13.50	15.00	16.50	18.00	19.50	21.00	22.50	24.00	25.50	27.00	28.50	30.00
	1.75	3.50	5.25	7.00	8.75	10.50	12.25	14.00	15.75	17.50	19.25	21.00	22.75	24.50	26.25	28.00	29.75	31.50	33.25	36.00
	2.00	4.00	6.00	8.00	10.00	12.00	14.00	16.00	18.00	20.00	22.00	24.00	26.00	28.00	30.00	32.00	34.00	36.00	38.00	40.00
	2.25	4.50	6.75	9.00	11.25	13.50	15.75	18.00	20.25	22.50	24.75	27.00	29.25	31.50	33.75	36.00	38.25	40.50	42.75	45.00
	2.50	5.00	7.50	10.00	12.50	15.00	17.50	20.00	22.50	25.00	27.50	30.00	32.50	35.00	37.50	40.00	42.50	45.00	47.50	50.00
	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40
	31.50	33.00	34.50	36.00	37.50	39.00	40.50	42.00	43.50	45.00	46.50	48.00	49.50	51.00	52.50	54.00	55.50	57.00	58.50	60.00
	36.75	38.50	40.25	42.00	43.75	45.50	47.25	49.00	50.75	52.50	54.25	56.00	57.75	59.50	61.25	63.00	64.75	66.50	68.25	70.00
	42.00	44.00	46.00	48.00	50.00	52.00	54.00	56.00	58.00	60.00	62.00	64.00	66.00	68.00	70.00	72.00	74.00	76.00	78.00	80.00
	47.25	49.50	51.75	54.00	56.25	58.50	60.75	63.00	65.25	67.50	69.75	72.00	74.25	76.50	78.75	81.00	83.25	85.50	87.75	90.00
	52.50	55.00	57.50	60.00	62.50	65.00	67.50	70.00	72.50	75.00	77.50	80.00	82.50	85.00	87.50	90.00	92.50	95.00	97.50	100.00

* Make allowance of two additional conductors for each device, one for clamps if required and one for one or more grounding conductors entering the box. See NEC314.16(B). 2005

ThomasÊBetts

United States

Tel: 901.252.8000 Fax: 901.252.1354

Canada

Tel: 450.347.5318 Fax: 450.347.1976

Technical Services

Tel: 888.862.3289

C-32

www.tnb.com r

Union™ Non-Metallic Boxes & Covers - Thomas & Betts - #32

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